SIMATH - Marc Conrad
A computer algebra system, especially for number theory. Try out the online version of the SIMATH calculator simcalc; a more detailed overview is available as a .dvi file or you can download the TeX-Source of this file.
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Sites with Problems Administered by Others - Math Forum
Problems of the week or month: a page of annotated links to weekly/monthly problem challenges and archives hosted at the Math Forum but administered by others, and to problems and archives elsewhere on the Web, color-coded for the level(s) of the problems
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square root of negative one teach math - Amy Gruen
Blog by a high school math teacher in Kansas. Posts, which date back to December, 2010, have included "Stations Review and Practice," "The Loop for Logs," "My Thoughts On Homework," "Everyone Failed (and What's Up With Probability?)," "Visualizing Volumes,"
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Steve Fulling's Home Page - Stephen A. Fulling
Courses in Foundation Coalition Freshman Calculus, linearity, and other subjects offer objectives, assignments, solutions and reports, exams, and supporting documentation such as books (.pdf, .ps, and .dvi formats). The site also includes access to the
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Symbolic Solutions Group - Erich Kaltofen
The Symbolic Solutions Group is a group of researchers in computer algebra and related subjects at North Carolina State University. Their articles are available for download, usually in PostScript format, via FTP.
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System Dynamics in Education Project (SDEP)
System dynamics is a method for studying the world around us. It deals with understanding how complex systems change over time. Internal feedback loops within the structure of the system influence the entire system behavior. Math materials are available
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Templates for the Solution of Linear Systems - SIAM
A book in html (also available in postscript format) that introduces fundamental iterative methods, notably Jacobi, Gauss-Seidel, [Bi]Conjugate gradient, and Chebyshev. The chapters include notes on preconditioning, decomposition, and other related subjects.
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To Accumulate a Rate — Integrate! - Kaleb Allinson
Allinson teaches trigonometry and AP Calculus AB at Lake Stevens High School (WA), where he also serves as the math department head. He describes his blog as a venue to "help me reflect on my teaching.... and record the unique [ideas] I came up with for
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tutOR - Moshe Sniedovich and Angie Byrne
An online Operations Research (OR) tutorial system developing tutorial modules for specific OR topics, generic web tools to facilitate the construction of the OR modules, and research of the WWW technologies pertaining to this project. Modules for investigating
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TutorTeddy.com
Online tutoring sessions across grades in arithmetic, algebra, statistics, probability, calculus, geometry, and trigonometry. The TutorTeddy.com site also freely offers more than a hundred chalkboard video lectures and worked problems.
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Varsity Tutors - Chuck Cohn, founder and CEO
Varsity Tutors is a private tutoring service in Chicago (with tutors there and in Houston, New York City, Phoenix, St. Louis, and Tucson) that provides premium at-home (or mutually agreed location) academic assistance in math-related subjects. Varsity
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Vectormind.com
A resource library for various subjects ranging from mathematics, to science, to software programming, to Web page development. Each category is updated frequently; existing topics are also improved and updated.
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Vectors - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about vectors, sums of vectors, angles between vectors, and vector spaces, such as "A river flows westward at 8 m/s. A person wants to go directly across the river so that the resultant velocity is 12 m/s northward...."
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